1946542080 has 448 divisors, whose sum is σ = 7448629248. Its totient is φ = 424673280.

The previous prime is 1946542079. The next prime is 1946542099. The reversal of 1946542080 is 802456491.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26664924 + ... + 26664996.

Almost surely, 2^1946542080 is an apocalyptic number.

1946542080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1946542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3724314624).

1946542080 is an abundant number, since it is smaller than the sum of its proper divisors (5502087168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1946542080 is an equidigital number, since it uses as much as digits as its factorization.

1946542080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1946542080 is about 44119.6337246809. The cubic root of 1946542080 is about 1248.5940629991.

The spelling of 1946542080 in words is "one billion, nine hundred forty-six million, five hundred forty-two thousand, eighty".